Απ' ότι φαίνεται, δεν υπάρχει πλέον κανένα πρόβλημα, ούτε στην καλωδιοταινία.
Για ανέβασε ένα Etrecheck report.
EtreCheck version: 2.9.9 (260)
Report generated 2016-03-12 12:42:42
Download EtreCheck from https://etrecheck.com
Runtime 1:31
Performance: Excellent
Click the [Support] links for help with non-Apple products.
Click the [Details] links for more information about that line.
Problem: No problem - just checking
MacBook Pro (15-inch, Mid 2012)
[Technical Specifications] - [User Guide] - [Warranty & Service]
MacBook Pro - model: MacBookPro9,1
1 2,3 GHz Intel Core i7 CPU: 4-core
8 GB RAM Upgradeable - [Instructions]
BANK 0/DIMM0
4 GB DDR3 1600 MHz ok
BANK 1/DIMM0
4 GB DDR3 1600 MHz ok
Bluetooth: Good - Handoff/Airdrop2 supported
Wireless: en1: 802.11 a/b/g/n
Battery: Health = Normal - Cycle count = 109
Intel HD Graphics 4000
Color LCD 1440 x 900
NVIDIA GeForce GT 650M - VRAM: 512 MB
OS X El Capitan 10.11.3 (15D21) - Time since boot: less than an hour
Samsung SSD 850 EVO 500GB disk0 : (500,11 GB) (Solid State - TRIM: Yes)
EFI (disk0s1) <not mounted> : 210 MB
Recovery HD (disk0s3) <not mounted> [Recovery]: 650 MB
Macintosh HD (disk1) / : 498.88 GB (164.70 GB free)
Core Storage: disk0s2 499.25 GB Online
MATSHITADVD-R UJ-8A8 ()
Apple Inc. FaceTime HD Camera (Built-in)
Apple Inc. Apple Internal Keyboard / Trackpad
Apple Computer, Inc. IR Receiver
Apple Inc. BRCM20702 Hub
Apple Inc. Bluetooth USB Host Controller
Apple Inc. thunderbolt_bus
Mac App Store and identified developers
/System/Library/Extensions
[not loaded] com.joshuawise.kexts.HoRNDIS (1.0.0d1 - SDK 10.6 - 2016-01-21) [Support]
[not loaded] com.novamedia.driver.IceraUSB_MSD_Bypass (1.3.0 - 2016-01-21) [Support]
[not loaded] de.novamedia.driver.NMSmartplugSCSIDevice (1.0.1 - 2016-01-21) [Support]
~/Library/Services/ToastIt.service/Contents/MacOS
[not loaded] com.roxio.TDIXController (2.0 - 2012-12-22) [Support]
[not loaded] 6 Apple tasks
[loaded] 151 Apple tasks
[running] 79 Apple tasks
[running] de.novamedia.nmnetmgrd.plist (2014-02-15) [Support]
[not loaded] 44 Apple tasks
[loaded] 158 Apple tasks
[running] 85 Apple tasks
[running] com.bjango.istatmenusagent.plist (2015-10-07) [Support]
[running] com.bjango.istatmenusnotifications.plist (2015-10-07) [Support]
[running] com.bjango.istatmenusstatus.plist (2015-10-07) [Support]
[loaded] com.google.keystone.agent.plist (2016-03-04) [Support]
[loaded] com.oracle.java.Java-Updater.plist (2012-12-24) [Support]
[not loaded] com.teamviewer.teamviewer.plist (2016-02-01) [Support]
[not loaded] com.teamviewer.teamviewer_desktop.plist (2016-02-01) [Support]
[not loaded] de.novamedia.VodafoneDeviceObserver.plist (2014-01-09) [Support]
[loaded] com.adobe.fpsaud.plist (2016-03-08) [Support]
[loaded] com.apple.aelwriter.plist
[running] com.bjango.istatmenusdaemon.plist (2015-10-07) [Support]
[loaded] com.google.keystone.daemon.plist (2016-03-04) [Support]
[loaded] com.microsoft.office.licensing.helper.plist (2011-03-10) [Support]
[loaded] com.oracle.java.Helper-Tool.plist (2012-12-24) [Support]
[running] com.prey.agent.plist (2015-11-11) [Support]
[loaded] com.teamviewer.Helper.plist (2016-02-01) [Support]
[not loaded] com.teamviewer.teamviewer_service.plist (2016-02-01) [Support]
[loaded] com.apple.AddressBook.ScheduledSync.PHXC...plist
[loaded] com.bittorrent.uTorrent.plist (2015-11-03) [Support]
[failed] com.facebook.videochat.[redacted].plist (2014-10-13) [Support]
iTunesHelper Application (/Applications/iTunes.app/Contents/MacOS/iTunesHelper.app)
Alfred 2 Application (/Applications/Alfred 2.app)
SpeechSynthesisServer Application (/System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/SpeechSynthesis.framework/Versions/A/SpeechSynthesisServer.app)
Spotify Application Hidden (~/.Trash/Spotify.app)
[running] com.etresoft.EtreCheck.76832
[running] com.google.Chrome.109152
[running] com.runningwithcrayons.Alfred-2.11232
[loaded] 400 Apple tasks
[running] 187 Apple tasks
Flip4Mac WMV Plugin: 2.4.4.2 (2012-12-24) [Support]
FlashPlayer-10.6: 21.0.0.182 - SDK 10.6 (2016-03-11) [Support]
QuickTime Plugin: 7.7.3 (2016-01-21)
Flash Player: 21.0.0.182 - SDK 10.6 (2016-03-11) [Support]
Default Browser: 601 - SDK 10.11 (2016-01-21)
SharePointBrowserPlugin: 14.1.0 (2012-12-22) [Support]
Silverlight: 5.1.20125.0 - SDK 10.6 (2015-11-03) [Support]
JavaAppletPlugin: Java 8 Update 73 build 02 (2016-03-08) Check version
GMail Counter (2013-10-26)
Open in Internet Explorer (2015-10-28)
uBlock (2016-03-11)
GRproofing (2012-12-22) [Support]
Flash Player (2016-03-08) [Support]
Flip4Mac WMV (2012-05-16) [Support]
Java (2016-03-08) [Support]
Tuxera NTFS (2016-01-01) [Support]
Skip System Files: NO
Mobile backups: ON
Auto backup: YES
Volumes being backed up:
Macintosh HD: Disk size: 498.88 GB Disk used: 334.18 GB
Destinations:
Untitled 1 [Local]
Total size: 499.76 GB
Total number of backups: 10
Oldest backup: 2/10/15, 02:31
Last backup: 10/3/16, 21:49
Size of backup disk: Too small
Backup size 499.76 GB < (Disk used 334.18 GB X 3)
5% WindowServer
2% Google Chrome Helper(5)
2% fontd
2% kernel_task
1% iStat Menus Status
725 MB kernel_task
442 MB Google Chrome Helper(5)
279 MB ocspd
180 MB Google Chrome
131 MB mds_stores
3.63 GB Free RAM
4.37 GB Used RAM (1.96 GB Cached)
0 B Swap Used
Mar 12, 2016, 12:05:13 PM Self test - passed
edit: δε θελω να ξερω ποσο θα κοστιζε η αλλαγη καλωδιοταινιας και ενας ssd samsung evo 850 500gb 
